Viewing archive of Friday, 24 December 2021

Geophysical report

Solar and Geophysical Activity Summary 2021 Dec 24 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 358 Issued at 0245Z on 24 Dec 2021 This report is compiled from data received at SWO on 23 Dec
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0437 0437 0437                       700                           
 0618 0618 0618                       150                           
 0620 0620 0620                       310                           
 0910 0910 0913  2907 S22W57       Sf 110                           
 0913 0913 0913                       140                           
 1756 1756 1756                       200                           
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 130  SSN 143  Afr/Ap 002/002   X-ray Background B8.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.5e+04   GT 10 MeV 4.3e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.10e+08 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 1 1 1 1 2 2 1 Planetary 2 0 0 0 0 0 1 1 
F. Comments
  None.

All times in UTC

<< Go to daily overview page

The strength of the interplanetary magnetic field is moderate (10.43nT), the direction is North (2.42nT).

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

04:03 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 04:56 UTC


01:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC

alert


Tuesday, 1 April 2025
22:51 UTC - Solar flare

Moderate M2.5 flare

alert


22:30 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.45)


07:15 UTC - 10cm Radio Burst

Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days128.8 -21.8

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

Social networks